refactor: changes swap args

Author: Kevin Hermawan

README.md

@@ -174,7 +174,7 @@ Exchanges the element at the specified indices of the array.
 ```ts
 import { swap } from 'enhanced-array';
 
-const result = swap([1, 2, 3, 4, 5], { i: 0, j: 4 });
+const result = swap([1, 2, 3, 4, 5], { index: 0, withIndex: 4 });
 console.log(result); // [5, 2, 3, 4, 1]
 ```
 

src/swap.ts

@@ -1,15 +1,15 @@
 type SwapArgs = {
-  i: number;
-  j: number;
+  index: number;
+  withIndex: number;
 };
 
 export function swap<T>(array: T[], args: SwapArgs) {
-  const { i, j } = args;
+  const { index, withIndex } = args;
   const result = array;
 
-  const temp = result[i];
-  result[i] = result[j];
-  result[j] = temp;
+  const temp = result[index];
+  result[index] = result[withIndex];
+  result[withIndex] = temp;
 
   return result;
 }

test/swap.test.ts

@@ -4,7 +4,7 @@ import { swap } from '../src/swap';
 
 describe('swap', () => {
   it('swaps element correctly', () => {
-    const result = swap([1, 2, 3, 4, 5], { i: 0, j: 4 });
+    const result = swap([1, 2, 3, 4, 5], { index: 0, withIndex: 4 });
 
     expect(result).to.eql([5, 2, 3, 4, 1]);
   });